So in just a few minutes of work, bind was no more.
You can read more on the subject here: Migrating to PowerDNS.

Converting from Bind zone files to SQLite3

PowerDNS has many features and many Backends. To use some of these features (like the HTTP API json/rest api for automation, I suggest converting to the sqlite3 backend, especially for personal or SOHO use. The PowerDNS documentation is really simple and straight-forward: SQLite3 backend

Installation

Install the generic sqlite3 backend.
On a CentOS machine type:

# yum -y install pdns-backend-sqlite

Directory

Create the directory in which we will build and store the sqlite database file:

HSTS

Using HTTP Strict Transport Security means that the browsers probably already know that you are using a single certificate for your domains. So, you need to add every domain in your wildcard certificate.